Hardy-Weinberg Equilibrium

Practice Questions

High School Biology › Hardy-Weinberg Equilibrium

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1

If p=0.3 and q=0.7, what will be the final genotypic frequencies of a population be under Hardy-Weinberg equilibrium?

2

If p=0.3 and q=0.7, what will be the final genotypic frequencies of a population be under Hardy-Weinberg equilibrium?

3

Which of the following is NOT a requirement for Hardy-Weinberg equilibrium?

4

For a particular gene, the allele is dominant to the allele . If in a population the allele frequency for is 0.85, what is the frequency of individuals that are heterozygotes? Assume Hardy-Weinberg equilibrium conditions are met.

5

If p=0.9 and q=0.1 what will be the final genotypic frequencies of a population be under Hardy-Weinberg equilibrium?

6

Tail length in a population of aardvarks is determined by one gene, where L=long tails and l=short tails. If the frequency of L in the population is 0.4, determine the expected frequencies of each possible genotype: homozygous dominant (LL), heterozygous (Ll), and homozygous recessive (ll).

7

Consider a population in Hardy-Weinberg equilibrium. A gene in the population has two alleles. The gene pool shows a distribution of 80% of the dominant allele and 20% the recessive allele.

What percentage of the population is heterozygous for the trait?

8

In an isolated population of ants in the Amazon rainforest, color is determined by a single gene. Ants that are homozygous dominant (BB) and heterozygous (Bb) for this gene are black, but ants that are homozygous recessive (bb) for this gene are brown.

If the phenotype frequencies are 0.75 black and 0.25 brown, what are the allele frequencies within this population?

9

Which of the following is NOT a requirement for Hardy-Weinberg equilibrium?

10

Consider a population in Hardy-Weinberg equilibrium. A gene in the population has two alleles. The gene pool shows a distribution of 80% of the dominant allele and 20% the recessive allele.

What percentage of the population is heterozygous for the trait?

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